23401554343 has 4 divisors (see below), whose sum is σ = 23421851728. Its totient is φ = 23381256960.

The previous prime is 23401554311. The next prime is 23401554349. The reversal of 23401554343 is 34345510432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23401554343 - 2⁵ = 23401554311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23401554299 and 23401554308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401554349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10146963 + ... + 10149268.

It is an arithmetic number, because the mean of its divisors is an integer number (5855462932).

Almost surely, 2^23401554343 is an apocalyptic number.

23401554343 is a deficient number, since it is larger than the sum of its proper divisors (20297385).

23401554343 is a wasteful number, since it uses less digits than its factorization.

23401554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297384.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 23401554343 in words is "twenty-three billion, four hundred one million, five hundred fifty-four thousand, three hundred forty-three".